CN107726686A - 具有制冰器的冷却或冷冻装置 - Google Patents
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Abstract
一种冷却或冷冻装置包括制冰托盘(12),所述制冰托盘(12)具有分布在至少两行相互平行地延伸的腔室上的多个制冰块腔室(14)。所述装置还包括冷气供给系统,所述冷气供给系统提供沿着所述行的腔室在所述制冰托盘下方流动的冷气流。所述装置额外地设置温度传感器单元(30),所述温度传感器单元(30)插入到被形成在一对相邻的制冰块腔室(141、142)之间的所述托盘下侧上的间隙中。因此,所述对的腔室由在冷气流的流动方向上观察时,作为两个相邻行的腔室的最后制冰块腔室的两个制冰块腔室(141、142)形成。
Description
技术领域
本发明涉及一种装配有制冰器的冷却或冷冻装置。
背景技术
现在,在许多私人家庭中都有冰箱或冷冻装置,并且冰箱或冷冻装置包含有制冰器用于产生冰块。这些装置中的一些装置例如在装置门的前侧设有传送机构,制冰器制成的冰块经由所述传送机构能够以计量的方式传送。
对于制冰器来说重要的标准是制冰速度,也就是说,每个单位给定时间能够制成的冰块的数量(例如以测量单位公斤表示)。制冰速度越大,对于私人家庭越有用,特别是在炎热的夏天。因此,对于制冰器通常希望制冰速度尽可能大。
为了确定何时加入制冰托盘的水已经冷冻并且完成的冰块因此能够从所述制冰托盘排出,常规制冰器通常装配有提供温度测量信号的合适的传感器元件(温度传感器)。在借助于传感器元件测量的温度的基础上,控制单元决定何时从制冰托盘排出冰块。
为了使冷冻过程加速,已知对制冰器提供沿制冰托盘流动的冷气流。流动的冷空气具有例如显著低于水的冷冻温度的温度(例如-20℃或更低),并由于从水释放的热能的散发,影响水更快地冷冻。
发明内容
本发明的起点是这样一种构造,即在这种构造中,冷气流沿着制冰器的制冰托盘的下侧流动,并且用作温度传感器的传感器元件布置在制冰托盘的下侧上。本发明的目的在于尽可能避免由于温度传感器的存在,使冷气流的冷却效果局部削弱。
为了实现这个目的,根据本发明提供一种冷却或冷冻装置,所述冷却或冷冻装置包括制冰托盘,所述制冰托盘具有多个制冰块腔室,它们分布在至少两行相互平行的腔室上方;冷气供给系统,所述冷气供给系统提供沿着所述行的腔室下所述制冰托盘下方流动的冷气流;和温度传感器单元,所述温度传感器单元插入到形成于一对相邻的制冰块腔室之间的托盘下侧上的间隙中,其特征在于,所述一对相邻制冰块腔室由两个制冰块腔室形成,沿着所述冷气流的流动方向观察时,所述两个制冰块腔室是两个相邻行的腔室的最后制冰块腔室。
在根据本发明的技术方案中,所述温度传感器单元插入两个相邻行的制冰块腔室之间。由此,所述温度传感器单元布置在正在讨论的两行腔室的沿冷气流的流动方向观察的最后制冰块腔室之间。虽然所述温度传感器单元构成冷气流动的障碍,根据本发明的技术方案确保至多只有在其下侧上的很小部分的制冰托盘外表面通过所述温度传感器单元屏蔽冷气流。所述制冰器的制冰速度的主要因素不是需要的时间,直到制冰托盘中的第一小冰砖已经冷冻,但是需要的时间直到最后的小冰砖已经冷冻。在由所述温度传感器单元屏蔽冷气流的制冰托盘的外表面区域中,预期冷气流的降低的冷却效果和因而水的更长冷冻时间。如果温度传感器单元布置在属于相同行的并且沿着冷气通道的流动方向依次布置的两个制冰腔室之间,由于温度传感器单元的屏蔽效应,对位于正在讨论的行中的沿流动方向在所述温度传感器单元后面的所有制冰块腔室可能不得不预期降低的冷却效果。同样,在所述温度传感器单元布置在属于相邻行的腔室但不是两行腔室中最后制冰块腔室的两个制冰块腔室之间的情形中,在两行腔室中,位于两个制冰块腔室后面的其它腔室在某种程度上被温度传感器单元屏蔽。然而,根据本发明,通过选择关于冷气流的流动方向相邻地横向布置并且沿冷气流的流动方向观察在它们的各自行腔室中的最后制冰块腔室的两个制冰块腔室,所述制冰托盘的受到所述屏蔽效应影响的下侧区域减小到最小。与所述温度传感器单元布置在一对位于制冰托盘中不同位置的腔室之间的配置相比,具有根据本发明的措施已经证明制冰速度的显著提高能够实现。
在一些实施方式中,所述温度传感器单元包括与所述温度传感器单元插入其间的成对腔室之腔室壁直接接触的温度传感器元件。
在一些实施方式中,所述冷气供给系统包括冷气引导槽,所述冷气引导槽布置在所述制冰托盘下面,并且限定用于引导所述冷气流的冷气通道。
在一些实施方式中,所述制冰托盘的长度比其宽度大,所述冷气流在所述制冰托盘的纵向方向上沿着所述制冰托盘流动。然而,所述冷气流沿着所述制冰托盘在所述制冰托盘的横向方向上流动,并且所述温度传感器单元插入在所述制冰托盘的横向方向上延伸的相邻行的腔室的最后制冰块腔室之间,这种配置不被排除在本公开的保护范围外。
附图说明
下面将参阅附图进一步详细地解释本发明,在附图中:
图1是穿过根据本发明的制冰模块的纵向剖视图;
图2是从下方倾斜地观察的图1的制冰模块的立体图;
图3是穿过图1的制冰模块的剖视图,以及
图4是在温度传感器单元区域中图1的制冰模块的放大剖视图。
具体实施方式
首先参阅图1至3。图1至3中显示的制冰模块一般地用10标出。制冰模块10旨在安装到家庭用冷却或冷冻装置中,用于制造冰块。为此目的,制冰模块10包括制冰托盘12,制冰托盘12具有近似矩形的托盘轮廓。在制冰托盘12中形成多个制冰块腔室14,每个制冰块腔室14用于制造单一冰块。制冰块腔室14分布在多行(在图示示例中,2)腔室上方,所述腔室的行在制冰托盘12的较长矩形侧的方向上延伸,并且每个都包含多个(在图示示例中,5)制冰块腔室14。制冰托盘12的较长矩形侧的方向在下面称为纵向托盘方向,而制冰托盘12的较短矩形侧的方向称为横向托盘方向。
制冰托盘12安装在模块壳体16上,而模块壳体16以框架的方式环绕制冰托盘12,以便能够围绕沿纵向托盘方向延伸的旋转轴线18旋转。当制冰模块10在安装在所述冷却或冷冻装置中的状态下,旋转轴线18是水平的。通过围绕旋转轴线18旋转,制冰托盘12能够在图1至3所示的制冰位置和喷射冰位置之间旋转,其中所述制冰托盘12的托盘平面位于水平平面中;所述喷射冰位置在图中没有更详细地示出,其中制冰托盘12已经相对于所述制冰位置旋转通过足够大角度的旋转(例如至少90°或更多),以允许完成的冰块从制冰托盘12喷射。在所示示例中,制冰模块10按照扭转托盘原理工作,也就是说,制冰托盘12通过在它的纵向端部中的一个的区域中旋转,在它的喷射冰位置的区域中扭转,然而在它的其它纵向端部的区域中保持在适当位置中。制冰托盘12的由此引起的扭转引起制冰块腔室14中的冰块脱离腔室壁,便于清空制冰托盘12。当制冰模块10位于安装状态时,在制冰托盘12下面存在合适尺寸的接收容器(未示出),其中从制冰托盘12掉落的冰块被接收和收集。
为了驱动制冰托盘12旋转,驱动单元20容纳在模块壳体16中,驱动单元20包括驱动马达,例如电动机驱动马达,经由未详细示出的减速齿轮单元而与制冰托盘12驱动连接。
制冰模块10安装在冷却或冷冻装置,例如以使得平行于限定所述冷却或冷冻装置的冷却或冷冻隔室的壁系统的相对侧壁的旋转轴线18取向的方式。所述冷却或冷冻隔室能够在前部例如通过冷却或冷冻装置的设备门封闭,并且在后壁的后部进行限制。冷气供给系统的用于产生冷气流并引导它到达制冰托盘12的部分能够布置在后壁后面。特别地,将制造的冷气从冷气源引导到制冰模块10的区域中的至少部分引导系统,能够布置在所述后壁的后面。
所述冷气供给系统作为在结构上整合到制冰模块10中的组成部分,包括冷气引导槽22(出于清楚的原因,从图2删除)和管口24,其中冷气引导槽22布置在制冰托盘12下面;管口24形成冷气的出口26。管口24是提及的引导系统的部分,将冷气源产生的冷气传递到制冰托盘12。冷气通过管口24吹入被形成在制冰托盘12和冷气引导槽22之间的冷气通道28中。空气引导槽22以它的纵向槽轴线平行于制冰托盘12的纵向托盘方向的方式布置。因此,冷气通道28沿纵向托盘方向在制冰托盘12下面,从一个纵向托盘端部流到相对的纵向托盘端部。冷气通道28中流动的冷气沿着与制冰块腔室14的腔室壁的外表面接触的制冰托盘12的下侧流动。与制冰托盘12的材料直接接触的流动冷气导致通过冷气流从制冰托盘12有效散热,加速被引入到制冰块腔室14中的水的冷冻以形成冰块。
在冷气通道28的下游端部处,也就是说,在远离管口24的通道的端部处,冷气从冷气通道28射出到环绕制冰模块10的区域中。在其它实施方式中,当然能够有目的地设想在所述通道的下游端部的区域中收集冷气并且以限定的方式将它引导回到具体位置。
温度传感器单元30固定到制冰托盘12的下侧,温度传感器单元30的测量信号通过未详细示出的控制单元评价,以便探测被引入到制冰块腔室14的水何时冷冻,从而制冰托盘12能够被清空并重新充满新鲜水。如从图1和图2特别明显的,温度传感器单元30插入到进一步下游的两个制冰块腔室之间的间隙中,为了更好地识别的目的,这两个制冰块腔室在这里用141和142标出。制冰块腔室141是沿在所述行的腔室中的第一行腔室的冷气通道28中流动的冷气的流动方向的最后腔室,和制冰块腔室142是沿两行腔室中的另一行腔室的流动方向中的最后腔室。温度传感器单元30的布置导致制冰块腔室14被冷却通道28中流动的冷气非常低程度地屏蔽:位于制冰块腔室141、142上游的腔室(在图示示例中,每行腔室总计4个)基本上不受到温度传感器单元30的屏蔽效应的影响。两个制冰块腔室141、142本身至多在它们的相互面对的腔室的区域中由温度传感器单元30直接屏蔽。另外,在制冰块腔室141、142后面(也就是说它的下游)不再有其它腔室。已经证明,具有所示的温度传感器单元30的布置,能够在所有制冰块腔室14上实现冷气通道28中冷气流的充分良好的冷却效应。
另外,现在参阅图4。温度传感器单元30包括例如由具有负温度系数的电阻元件(NTC元件)形成的温度传感器32,在图示示例中,温度传感器32具有杆形主传感器部分34,它与两个制冰块腔室141、142的腔室壁直接接触。温度传感器32探测的温度是两个制冰块腔室141、142中的水的温度测量值。温度传感器32容纳在传感器壳体36中,而传感器壳体36例如通过卡扣连接或其它固定类型固定到制冰托盘12的下侧。传感器壳体36中的其余空间填充有热绝缘材料38,热绝缘材料38在图1中通过多个黑色圆圈示意性地示出并且出于清楚的原因,从图4中省略。绝缘材料38使温度传感器32相对于在冷气通道38中流动的冷气的低温热绝缘,在冷气通道38中流动的冷气具有例如负20℃的低温或更低。如尤其在图4中能够容易地看到的,当在托盘横截面中观察时,温度传感器单元30基本上完全填充两个制冰块腔室141、142之间的间隙。当在剖面中观察时,该间隙具有近似三角形的轮廓。传感器壳体36基本上延伸到制冰块腔室141、142的腔室底部的区域中,但在其它实施方式中,传感器壳体36当然可以在两个腔室的腔室底部前面终止或者甚至突出超过两个腔室的腔室底部。
Claims (3)
1.冷却或冷冻装置,包括:
制冰托盘,所述制冰托盘具有分布在至少两行相互平行地延伸的腔室上方的多个制冰块腔室,
冷气供给系统,所述冷气供给系统提供沿着所述行的腔室在所述制冰托盘下方流动的冷气流,以及
温度传感器单元,所述温度传感器单元插入到被形成在一对相邻的制冰块腔室之间的所述托盘下侧上的间隙中,其特征在于,
所述一对相邻的制冰块腔室由在冷气流的流动方向上观察时,作为两个相邻行的腔室的最后制冰块腔室的两个制冰块腔室形成。
2.根据权利要求1所述的冷却或冷冻装置,其特征在于,
所述冷气供给系统包括被布置在所述制冰托盘下方的冷气引导槽,所述引导槽限定用于引导所述冷气流的冷气通道。
3.根据权利要求1或2所述的冷却或冷冻装置,其特征在于,
所述制冰托盘的长度比它的宽度更长,并且所述冷气流沿着所述制冰托盘在所述制冰托盘的纵向方向上流动。
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CN105423689A (zh) * | 2015-12-14 | 2016-03-23 | 合肥华凌股份有限公司 | 一种制冰机及冰箱 |
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US20180045448A1 (en) | 2018-02-15 |
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